Property talk:P1257

Documentation

• Start a query
• Current uses
• Statistics by class
• String length
• List of qualifiers
• Count

depicts Iconclass notation
Iconclass code depicted in an artwork, for linking Iconclass codes with their corresponding artistic themes or concepts, use P1256 (Iconclass notation)

Description	Iconclass ID of a topic depicted by an artwork item.
Represents	Iconclass (Q1502787), Netherlands Institute for Art History (Q758610)
Associated item	Netherlands Institute for Art History (Q758610)
Data type	String
Domain	work of art (Q838948) or group of works (Q17489659)
Allowed values	\d{1,2}(([A-IK-Z])\2?\d{0,5})?(\([\p{L}0-9. -]+[\p{L}0-9&., ':-]*\))?\d{0,4}(\(\+\d{1,5}\))?
Example	The Milkmaid (Q167605) → 47I22311 three-quarter portrait (Q18809567) → 31B6(+4)
Source	http://www.iconclass.org/
Formatter URL	http://iconclass.org/$1 http://iconclass.org/rkd/$1
See also	Iconclass notation (P1256)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Chart by item creation date Database reports/Complex constraint violations/P1257 Database reports/Constraint violations/P1257 Map Random list
Proposal discussion	Proposal discussion
Current uses	Total 219,746 Main statement 219,743 >99.9% of uses Qualifier 2 <0.1% of uses Reference 1 <0.1% of uses
Search for values

[create Create a translatable help page (preferably in English) for this property to be included here]

Format “\d{1,2}(([A-IK-Z])\2?\d{0,5})?(\([\p{L}0-9. -]+[\p{L}0-9&., ':-]*\))?\d{0,4}(\(\+\d{1,5}\))?”: value must be formatted using this pattern (PCRE syntax). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Format, SPARQL

Type “work of art (Q838948), group of works (Q17489659)”: item must contain property “instance of (P31)” with classes “work of art (Q838948), group of works (Q17489659)” or their subclasses (defined using subclass of (P279)). (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Type Q838948, Q17489659, SPARQL

Item “image (P18)”: Items with this property should also have “image (P18)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P18, SPARQL

Item “creator (P170)”: Items with this property should also have “creator (P170)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P170, search, SPARQL

Item “inception (P571)”: Items with this property should also have “inception (P571)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P571, SPARQL

Item “genre (P136)”: Items with this property should also have “genre (P136)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P136, search, SPARQL

Scope is as main value (Q54828448): the property must be used by specified way only (Help)

List of violations of this constraint: Database reports/Constraint violations/P1257#Scope, hourly updated report, SPARQL

Format “\d.*”: value must be formatted using this pattern (PCRE syntax). (Help)

List of violations of this constraint: Database reports/Constraint violations/P1257#Format, hourly updated report, SPARQL

Item “depicts (P180)”: Items with this property should also have “depicts (P180)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P180, search, SPARQL

Item “main subject (P921)”: Items with this property should also have “main subject (P921)”. (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P1257#Item P921, search, SPARQL

Religious paintings without genre
Paintings that have a religious Iconclass code, but missing genre (P136) -> religious art (Q2864737) (Help)
Violations query: SELECT ?item ?iconclass WHERE { ?item wdt:P31 wd:Q3305213 . MINUS { ?item wdt:P136 [] } . ?item wdt:P1257 ?iconclass . FILTER REGEX(STR(?iconclass), "^(7|11).+") . } LIMIT 1000
List of this constraint violations: Database reports/Complex constraint violations/P1257#Religious paintings without genre

This property is being used by: eu:Txantiloi:Artelan infotaula automatikoa, eu:Txantiloi:Lan infotaula automatikoa, eu:Txantiloi:Lan infotaula kab:Talɣa:Infobox intellectual work ha:Template:Infobox intellectual work incubator:Template:Wp/shi/Infobox intellectual work ig:Àtụ:Infobox intellectual work shi:Talɣa:Infobox intellectual work Please notify projects that use this property before big changes (renaming, deletion, merge with another property, etc.)

duplicating information

The Blind Leading the Blind (Q1192570) is a painting that has two properties that contain identical information: depicts Iconclass notation (P1257) 31A41111 as well as depicts (P180) the blind leading the blind (Q1565024). Because the blind leading the blind (Q1565024) already has the property Iconclass notation (P1256) 31A41111, there's no additional informational value gained from having both depicts Iconclass notation (P1257) and depicts (P180) for this painting. I know there are many places now where we don't have a clear Iconclass 1-to-1 mapping with Wikidata and so it's useful to have both properties. But when we do have a Wikidata entity for all Iconclasses, we should deprecate the Iconclass properties and just use depicts (P180). Runner1928 (talk) 16:23, 22 October 2015 (UTC)

This was addressed at WD:Property proposal/Archive/21#P1257. And I'd be overhappy if we replaced the Iconclass system which is anything but perfect IMHO. Though they state that they have 28,000 definitions which is a nice bunch to create!

Commons often has a more finely graduated classification of iconography in its categories. I good begin might be do create items for the useful categories, add Iconclass notation (P1256) to them and make up the classification here with subclass of (P279) probably and to make up templates on Commons that retrieve and display the Iconclass notation. --Marsupium (talk) 13:00, 24 January 2016 (UTC)

Regex is incorrect

Wikidata:Database_reports/Constraint_violations/P1257#"Format"_violations contains a whole bunch of false positives. Multichill (talk) 10:40, 20 January 2019 (UTC)

@Multichill: Gymel has made pivotal improvements to the pattern in 2015 for Iconclass notation (P1256). I've now added support for:

• “bracketed text” containing digits,
• containing Unicode letters and
• appearance of 3 or 4 digits after the bracket

and brought all that here together with:

• “bracketed text” starting with lowercase (I don't see it contradicts any specification) and
• starting with "." which allows Madonna with Canon Joris van der Paele (Q2480921)depicts Iconclass notation (P1257)61B2(...)12 from https://rkd.nl/en/explore/images/2149. This is probably against the intent of Iconclass documented here, but obviously useful, used and imported here.

I hope that will remove the false positives, I hope it's Fixed. --Marsupium (talk) 20:16, 21 January 2019 (UTC)

Changed it again to allow for these notations. Hope the changes were correct. --Kristbaum (talk) 13:33, 23 May 2021 (UTC)

Thank you! It has turned out there can even be 5 digits after that "+" like in 48(+76112). I've updated this property and Iconclass notation (P1256) and the reference at Property talk:P1256#For reference: regex extrema. --Marsupium (talk) 10:41, 19 September 2021 (UTC)

Iconclass-notations for artworks without a picture

Pori Art Museum has a collection of over 2000 items listed on wikidata, but most of them are without a picture (due to copyrights). Wikidata requirement (flagged error message) is a picture for an item with statement Depicts iconclass notation. It would be more informative about the artwork, if we still could add that statementwithout an error message. Would it be possible to chance that picture requirement? --SO 08:06, 17 February 2021 (UTC)

Genre required

Also for the genre required for artworks with iconclass notations might be a problem with contemporary art. Most contemporary artworks aren`t so easily categorised.--SO 09:29, 18 February 2021 (UTC)